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SparkFun MicroMod Data Logging Carrier Board

The SparkFun MicroMod Data Logging Board offers a highly customizable, low-power data logging platform using the MicroMod system allowing you to choose your own Processor to pair with the Carrier Board. The Data Logging Carrier Board breaks out connections for I2C via a Qwiic connector or standard 0.1"-spaced PTH pins along with SPI and serial UART connections for logging data from peripheral devices using those communication protocols.

The Data Logging Carrier Board allows you to control power to both the Qwiic connector on the board and a dedicated 3.3V power rail for non-Qwiic peripherals so you can pick and choose when to power the peripherals you are monitoring the data from. It also features a charging circuit for single-cell Lithium-ion batteries along with a separate RTC battery-backup circuit to maintain power to a real-time clock circuit on your Processor Board.


MicroMod is a modular interface ecosystem that connects a microcontroller “processor board” to various “carrier board” peripherals. Utilizing the M.2 standard, the MicroMod standard is designed to easily swap out processors on the fly. Pair a specialized carrier board for the project you need with your choice of compatible processor!


  • M.2 MicroMod Connector
  • microSD socket
  • USB-C Connector
  • 3.3V 1A Voltage Regulator
  • Qwiic Connector
  • Boot/Reset Buttons
  • RTC Backup Battery & Charge Circuit
  • Independent 3.3V regulators for Qwiic bus and peripheral add-ons
    • Controlled by digital pins on Processor Board to enable low power sleep modes
  • Phillips #0 M2.5x3mm screw included

SparkFun MicroMod Data Logging Carrier Board Product Help and Resources

Designing with MicroMod

October 21, 2020

This tutorial will walk you through the specs of the MicroMod processor and carrier board as well as the basics of incorporating the MicroMod form factor into your own PCB designs!

MicroMod Data Logging Carrier Board Hookup Guide

October 21, 2020

Get started with some customizable MicroMod data logging with the Data Logging Carrier Board.

Getting Started with MicroMod

October 21, 2020

Dive into the world of MicroMod - a compact interface to connect a microcontroller to various peripherals via the M.2 Connector!

Core Skill: DIY

Whether it's for assembling a kit, hacking an enclosure, or creating your own parts; the DIY skill is all about knowing how to use tools and the techniques associated with them.

1 DIY

Skill Level: Noob - Basic assembly is required. You may need to provide your own basic tools like a screwdriver, hammer or scissors. Power tools or custom parts are not required. Instructions will be included and easy to follow. Sewing may be required, but only with included patterns.
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Core Skill: Programming

If a board needs code or communicates somehow, you're going to need to know how to program or interface with it. The programming skill is all about communication and code.

3 Programming

Skill Level: Competent - The toolchain for programming is a bit more complex and will examples may not be explicitly provided for you. You will be required to have a fundamental knowledge of programming and be required to provide your own code. You may need to modify existing libraries or code to work with your specific hardware. Sensor and hardware interfaces will be SPI or I2C.
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Core Skill: Electrical Prototyping

If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.

2 Electrical Prototyping

Skill Level: Rookie - You may be required to know a bit more about the component, such as orientation, or how to hook it up, in addition to power requirements. You will need to understand polarized components.
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Comments

Looking for answers to technical questions?

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  • I'm super excited about the release of the MicroMod Data Logging Carrier Board.

    Users should be aware that the 10kΩ/20kΩ voltage divider is tied directly to VIN and will draw up to 200 uA at 6 V. As there is no jumper pad to disable the voltage divider (yet), it'll be necessary to break out an X-acto knife to cut the trace or a hot air rework station to desolder the SMD resistor(s) to reduce the quiescent draw.

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